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GUI Reference
R&S
®
ZNB/ZNBT
409
User Manual 1173.9163.02 ─ 53
FreeRun / External / Manual / Multiple Triggers
These four buttons select the trigger source:
●
In "FreeRun" mode, a new measurement is started immediately without waiting for
a trigger event and without fixed time reference. The remaining trigger settings are
not valid.
"FreeRun" means that a measurement in "Continuous" sweep mode is repeated as
fast as possible.
●
In "External" trigger mode, the measurement is triggered by an external 5 V TTL
signal, applied to one of the following rear panel connectors:
–
BNC connector EXT TRIG IN
–
Pin 2 of the USER PORT connector
–
Pin 18 of the
Handler I/O (Universal Interface)
The trigger inputs are equivalent; no additional setting for signal routing is required.
For detailed specifications of the trigger signals, refer to
The "External" trigger mode can be configured using the
settings.
●
In "Manual" trigger mode, the trigger signal is generated by the "Manual Trigger"
button.
●
If "Multiple Triggers" is active, the trigger sources for different triggered measure-
ment sequences, the trigger slope, and the trigger delay can be selected individu-
ally using the
.
In particular, it is possible to use different external trigger sources.
Remote command:
TRIGger<Ch>[:SEQuence]:SOURce EXTernal
Manual Trigger
Generates the trigger event for "Manual" trigger mode and is disabled unless this mode
is active.
Remote command:
TRIGger<Ch>[:SEQuence]:SOURce MANual
*TRG
Sequence
Selects the measurement cycle or sequence of actions to be triggered in "External" or
"Manual" mode.
●
"Sweep" means that each trigger event starts an entire sweep, according to the
current sweep configuration.
Sweep Softtool